formbook | fb1b538251b7c9a011807fee199f1446b68c40e9caed0709389eac91e311bf1e

General

Target

15012021567.exe
Size

782KB
MD5

0377728dc176c34ec287a4ee6e1b6800
SHA1

e5d67a362ae9c51449000987f42882fba4d402df
SHA256

fb1b538251b7c9a011807fee199f1446b68c40e9caed0709389eac91e311bf1e
SHA512

3c8a2c442c16bdf1a540dec60305d7f663b444676d9fe5064ddae4ca5b0aeee41d111771ccae554cb70977ee8e066b6c21f0d32ed7ce765287d6a64896b4753b

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.southsideflooringcreations.com/dkk/

Decoy

goldenfarmm.com

miproper.com

theutahan.com

efeteenerji.com

wellfarehealth.com

setricoo.com

enjoyablephotobooths.com

semaindustrial.com

jennywet.com

jackhughesart.com

cantgetryte.com

searko.com

zxrxhuny.icu

exoticorganicwine.com

fordexplorerproblems.com

locationwebtv.net

elinvoimainenperhe.com

mundoclik.com

nouvellenormale.com

talasnakliyat.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1336-11-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/1336-12-0x000000000041EC00-mapping.dmp	formbook
behavioral2/memory/2208-14-0x0000000000000000-mapping.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

Processes:

15012021567.exe15012021567.exeNETSTAT.EXE

description	pid	process	target process
PID 1140 set thread context of 1336	1140	15012021567.exe	15012021567.exe
PID 1336 set thread context of 3012	1336	15012021567.exe	Explorer.EXE
PID 1336 set thread context of 3012	1336	15012021567.exe	Explorer.EXE
PID 2208 set thread context of 3012	2208	NETSTAT.EXE	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

2208 NETSTAT.EXE

pid	process
2208	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 36 IoCs

Processes:

15012021567.exeNETSTAT.EXE

pid	process
1336	15012021567.exe
1336	15012021567.exe
1336	15012021567.exe
1336	15012021567.exe
1336	15012021567.exe
1336	15012021567.exe
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE
2208	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

15012021567.exeNETSTAT.EXE

pid process

1336 15012021567.exe
1336 15012021567.exe
1336 15012021567.exe
1336 15012021567.exe
2208 NETSTAT.EXE
2208 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

15012021567.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 1336 15012021567.exe
Token: SeDebugPrivilege 2208 NETSTAT.EXE

description	pid	process
Token: SeDebugPrivilege	1336	15012021567.exe
Token: SeDebugPrivilege	2208	NETSTAT.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

15012021567.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 1140 wrote to memory of 1336	1140	15012021567.exe	15012021567.exe
PID 1140 wrote to memory of 1336	1140	15012021567.exe	15012021567.exe
PID 1140 wrote to memory of 1336	1140	15012021567.exe	15012021567.exe
PID 1140 wrote to memory of 1336	1140	15012021567.exe	15012021567.exe
PID 1140 wrote to memory of 1336	1140	15012021567.exe	15012021567.exe
PID 1140 wrote to memory of 1336	1140	15012021567.exe	15012021567.exe
PID 3012 wrote to memory of 2208	3012	Explorer.EXE	NETSTAT.EXE
PID 3012 wrote to memory of 2208	3012	Explorer.EXE	NETSTAT.EXE
PID 3012 wrote to memory of 2208	3012	Explorer.EXE	NETSTAT.EXE
PID 2208 wrote to memory of 1344	2208	NETSTAT.EXE	cmd.exe
PID 2208 wrote to memory of 1344	2208	NETSTAT.EXE	cmd.exe
PID 2208 wrote to memory of 1344	2208	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3012

C:\Users\Admin\AppData\Local\Temp\15012021567.exe
"C:\Users\Admin\AppData\Local\Temp\15012021567.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1140

C:\Users\Admin\AppData\Local\Temp\15012021567.exe
"C:\Users\Admin\AppData\Local\Temp\15012021567.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1336

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2208

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\15012021567.exe"
3⤵
PID:1344

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1140-2-0x0000000073A30000-0x000000007411E000-memory.dmp

Filesize
6.9MB

Download
memory/1140-3-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1140-5-0x00000000052E0000-0x00000000052E1000-memory.dmp

Filesize
4KB

Download
memory/1140-6-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

Filesize
4KB

Download
memory/1140-7-0x0000000004E80000-0x0000000004E81000-memory.dmp

Filesize
4KB

Download
memory/1140-8-0x0000000002920000-0x0000000002921000-memory.dmp

Filesize
4KB

Download
memory/1140-9-0x0000000002930000-0x0000000002942000-memory.dmp

Filesize
72KB

Download
memory/1140-10-0x0000000005AE0000-0x0000000005B4A000-memory.dmp

Filesize
424KB

Download
memory/1336-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1336-12-0x000000000041EC00-mapping.dmp

Download
memory/1344-17-0x0000000000000000-mapping.dmp

Download
memory/2208-14-0x0000000000000000-mapping.dmp

Download
memory/2208-15-0x00000000001A0000-0x00000000001AB000-memory.dmp

Filesize
44KB

Download
memory/2208-16-0x00000000001A0000-0x00000000001AB000-memory.dmp

Filesize
44KB

Download
memory/2208-18-0x0000000003CB0000-0x0000000003E41000-memory.dmp

Filesize
1.6MB

Download
memory/3012-19-0x0000000006180000-0x00000000062A7000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads